.play,
.played,
.prev,
.next {
    width: 28px;
    height: 28px;
    margin-left: 8px;
    cursor: pointer;
}

.play,
.played {
    width: 36px;
    height: 36px;
    background-position: 0 -204px;
}

.played {
    background-position: 0 -165px;
}

.play:hover {
    background-position: -40px -204px;
}

.played:hover {
    background-position: -40px -165px;
}

.prev {
    background-position: 0 -130px;
}

.prev:hover {
    background-position: -30px -130px;
}

.next {
    background-position: -80px -130px;
}

.next:hover {
    background-position: -110px -130px;
}